./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-properties/list_search-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c314aca-59b0-4aa5-84bf-c72600250cf9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c314aca-59b0-4aa5-84bf-c72600250cf9/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c314aca-59b0-4aa5-84bf-c72600250cf9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c314aca-59b0-4aa5-84bf-c72600250cf9/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/list_search-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c314aca-59b0-4aa5-84bf-c72600250cf9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c314aca-59b0-4aa5-84bf-c72600250cf9/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b1ea7ddff382751fa0e11562333bdb4981cac7bdbf1d356a007804e7e2e5a289 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:05:34,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:05:34,408 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c314aca-59b0-4aa5-84bf-c72600250cf9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2024-12-06 01:05:34,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:05:34,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:05:34,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:05:34,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:05:34,430 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:05:34,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:05:34,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:05:34,430 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:05:34,431 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:05:34,431 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:05:34,431 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:05:34,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:05:34,431 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 01:05:34,431 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 01:05:34,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:05:34,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:05:34,431 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:05:34,431 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:05:34,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:05:34,432 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:05:34,432 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:05:34,432 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:05:34,432 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:05:34,432 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:05:34,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:05:34,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:05:34,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:05:34,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:05:34,432 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:05:34,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:05:34,433 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c314aca-59b0-4aa5-84bf-c72600250cf9/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1ea7ddff382751fa0e11562333bdb4981cac7bdbf1d356a007804e7e2e5a289 [2024-12-06 01:05:34,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:05:34,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:05:34,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:05:34,661 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:05:34,661 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:05:34,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c314aca-59b0-4aa5-84bf-c72600250cf9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/list-properties/list_search-2.i [2024-12-06 01:05:37,319 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c314aca-59b0-4aa5-84bf-c72600250cf9/bin/ukojak-verify-CZk0znPC7b/data/a97815cdc/10e975bc516c43e0a7dd6fab2b7c482c/FLAG24e6e9c1e [2024-12-06 01:05:37,580 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:05:37,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c314aca-59b0-4aa5-84bf-c72600250cf9/sv-benchmarks/c/list-properties/list_search-2.i [2024-12-06 01:05:37,591 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c314aca-59b0-4aa5-84bf-c72600250cf9/bin/ukojak-verify-CZk0znPC7b/data/a97815cdc/10e975bc516c43e0a7dd6fab2b7c482c/FLAG24e6e9c1e [2024-12-06 01:05:37,898 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c314aca-59b0-4aa5-84bf-c72600250cf9/bin/ukojak-verify-CZk0znPC7b/data/a97815cdc/10e975bc516c43e0a7dd6fab2b7c482c [2024-12-06 01:05:37,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:05:37,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:05:37,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:05:37,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:05:37,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:05:37,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:05:37" (1/1) ... [2024-12-06 01:05:37,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c53d3c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:37, skipping insertion in model container [2024-12-06 01:05:37,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:05:37" (1/1) ... [2024-12-06 01:05:37,933 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:05:38,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:05:38,195 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:05:38,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:05:38,272 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:05:38,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38 WrapperNode [2024-12-06 01:05:38,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:05:38,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:05:38,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:05:38,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:05:38,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2024-12-06 01:05:38,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2024-12-06 01:05:38,308 INFO L138 Inliner]: procedures = 226, calls = 30, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 150 [2024-12-06 01:05:38,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:05:38,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:05:38,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:05:38,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:05:38,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2024-12-06 01:05:38,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2024-12-06 01:05:38,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2024-12-06 01:05:38,317 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2024-12-06 01:05:38,325 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2024-12-06 01:05:38,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2024-12-06 01:05:38,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2024-12-06 01:05:38,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2024-12-06 01:05:38,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2024-12-06 01:05:38,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:05:38,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:05:38,335 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:05:38,335 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:05:38,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2024-12-06 01:05:38,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:05:38,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c314aca-59b0-4aa5-84bf-c72600250cf9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:05:38,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c314aca-59b0-4aa5-84bf-c72600250cf9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:05:38,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c314aca-59b0-4aa5-84bf-c72600250cf9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:05:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 01:05:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:05:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 01:05:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 01:05:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 01:05:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:05:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 01:05:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:05:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:05:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:05:38,479 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:05:38,480 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:05:38,711 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-12-06 01:05:38,711 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:05:38,832 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:05:38,832 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 01:05:38,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:05:38 BoogieIcfgContainer [2024-12-06 01:05:38,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:05:38,833 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:05:38,833 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:05:38,840 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:05:38,840 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:05:38" (1/1) ... [2024-12-06 01:05:38,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:05:38,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:38,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-12-06 01:05:38,885 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-12-06 01:05:38,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:05:38,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:38,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:39,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:05:39,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:39,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-06 01:05:39,363 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-06 01:05:39,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:05:39,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:39,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:39,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:05:40,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:40,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-06 01:05:40,263 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 01:05:40,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:05:40,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:40,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:40,865 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:05:41,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:41,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2024-12-06 01:05:41,917 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2024-12-06 01:05:41,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:05:41,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:41,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:42,386 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:05:42,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:42,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2024-12-06 01:05:42,874 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2024-12-06 01:05:42,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:05:42,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:42,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:43,821 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:05:45,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:45,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2024-12-06 01:05:45,498 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2024-12-06 01:05:45,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:05:45,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:45,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:46,085 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:05:46,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:46,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2024-12-06 01:05:46,430 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-12-06 01:05:46,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:05:46,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:46,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:47,209 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:05:49,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:49,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2024-12-06 01:05:49,362 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2024-12-06 01:05:49,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 01:05:49,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:49,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:50,267 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:05:52,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:52,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 44 states and 85 transitions. [2024-12-06 01:05:52,825 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 85 transitions. [2024-12-06 01:05:52,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:05:52,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:52,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:53,755 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:05:54,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:54,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 72 transitions. [2024-12-06 01:05:54,424 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2024-12-06 01:05:54,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:05:54,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:54,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:54,784 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:05:55,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:55,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2024-12-06 01:05:55,767 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 01:05:55,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:05:55,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:55,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:55,819 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 01:05:57,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:57,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 52 states and 91 transitions. [2024-12-06 01:05:57,289 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 91 transitions. [2024-12-06 01:05:57,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:05:57,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:57,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:58,908 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:06:05,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:05,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 61 states and 124 transitions. [2024-12-06 01:06:05,875 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 124 transitions. [2024-12-06 01:06:05,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:06:05,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:05,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:06:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:07,910 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:06:13,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:13,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 66 states and 146 transitions. [2024-12-06 01:06:13,822 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 146 transitions. [2024-12-06 01:06:13,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:06:13,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:13,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:06:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:16,449 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:06:19,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:19,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 63 states and 131 transitions. [2024-12-06 01:06:19,264 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 131 transitions. [2024-12-06 01:06:19,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:06:19,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:19,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:06:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:19,425 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 01:06:21,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:21,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 65 states and 137 transitions. [2024-12-06 01:06:21,053 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 137 transitions. [2024-12-06 01:06:21,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:06:21,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:21,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:06:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:22,954 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 01:06:31,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:31,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 74 states and 159 transitions. [2024-12-06 01:06:31,170 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 159 transitions. [2024-12-06 01:06:31,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 01:06:31,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:31,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:06:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:33,373 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-06 01:06:43,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:43,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 79 states and 164 transitions. [2024-12-06 01:06:43,494 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 164 transitions. [2024-12-06 01:06:43,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 01:06:43,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:43,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:06:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:44,918 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 01:06:46,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:46,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 80 states and 172 transitions. [2024-12-06 01:06:46,839 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 172 transitions. [2024-12-06 01:06:46,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 01:06:46,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:46,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:06:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:49,633 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:07:03,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:03,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 91 states and 219 transitions. [2024-12-06 01:07:03,271 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 219 transitions. [2024-12-06 01:07:03,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 01:07:03,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:03,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:07:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:06,039 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:07:16,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:16,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 98 states and 242 transitions. [2024-12-06 01:07:16,205 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 242 transitions. [2024-12-06 01:07:16,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 01:07:16,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:16,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:07:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:17,851 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:07:22,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:22,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 101 states and 248 transitions. [2024-12-06 01:07:22,434 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 248 transitions. [2024-12-06 01:07:22,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:07:22,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:22,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:07:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:23,947 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 16 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:07:26,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:26,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 93 states and 209 transitions. [2024-12-06 01:07:26,030 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 209 transitions. [2024-12-06 01:07:26,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 01:07:26,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:26,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:07:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:27,823 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 01:07:32,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:32,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 95 states and 213 transitions. [2024-12-06 01:07:32,193 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 213 transitions. [2024-12-06 01:07:32,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 01:07:32,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:32,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:07:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:35,617 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 24 proven. 19 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 01:07:40,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:40,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 97 states and 217 transitions. [2024-12-06 01:07:40,868 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 217 transitions. [2024-12-06 01:07:40,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 01:07:40,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:40,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:07:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:42,475 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 01:07:46,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:46,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 99 states and 221 transitions. [2024-12-06 01:07:46,543 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 221 transitions. [2024-12-06 01:07:46,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 01:07:46,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:46,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:07:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:52,391 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:08:11,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:11,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 108 states and 256 transitions. [2024-12-06 01:08:11,033 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 256 transitions. [2024-12-06 01:08:11,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 01:08:11,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:11,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:08:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:14,070 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-06 01:08:24,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:24,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 59 states and 128 transitions. [2024-12-06 01:08:24,543 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 128 transitions. [2024-12-06 01:08:24,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 01:08:24,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:24,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:08:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-06 01:08:31,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:31,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 61 states and 131 transitions. [2024-12-06 01:08:31,883 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 131 transitions. [2024-12-06 01:08:31,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 01:08:31,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:31,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:08:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:34,697 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 01:08:54,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:54,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 73 states and 162 transitions. [2024-12-06 01:08:54,860 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 162 transitions. [2024-12-06 01:08:54,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 01:08:54,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:54,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:08:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:04,551 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:09:32,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:09:32,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 83 states and 193 transitions. [2024-12-06 01:09:32,378 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 193 transitions. [2024-12-06 01:09:32,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 01:09:32,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:09:32,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:09:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:40,668 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-06 01:10:14,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:14,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 95 states and 236 transitions. [2024-12-06 01:10:14,168 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 236 transitions. [2024-12-06 01:10:14,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 01:10:14,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:14,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:10:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:15,861 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 01:10:22,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:22,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 97 states and 238 transitions. [2024-12-06 01:10:22,161 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 238 transitions. [2024-12-06 01:10:22,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 01:10:22,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:22,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:10:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:30,404 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 01:10:37,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:37,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 98 states and 243 transitions. [2024-12-06 01:10:37,139 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 243 transitions. [2024-12-06 01:10:37,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 01:10:37,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:37,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:10:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:40,024 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 01:10:45,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:45,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 99 states and 246 transitions. [2024-12-06 01:10:45,512 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 246 transitions. [2024-12-06 01:10:45,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 01:10:45,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:45,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:10:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:53,168 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:11:31,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:11:31,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 111 states and 273 transitions. [2024-12-06 01:11:31,773 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 273 transitions. [2024-12-06 01:11:31,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 01:11:31,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:11:31,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:11:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:31,984 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-06 01:11:35,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:11:35,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 102 states and 253 transitions. [2024-12-06 01:11:35,654 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 253 transitions. [2024-12-06 01:11:35,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 01:11:35,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:11:35,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:11:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:35,867 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 01:11:40,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:11:40,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 98 states and 244 transitions. [2024-12-06 01:11:40,076 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 244 transitions. [2024-12-06 01:11:40,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 01:11:40,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:11:40,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:11:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:40,840 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 01:11:45,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:11:45,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 98 states and 242 transitions. [2024-12-06 01:11:45,623 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 242 transitions. [2024-12-06 01:11:45,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:11:45,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:11:45,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:11:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:49,992 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 01:11:53,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:11:53,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 85 states and 181 transitions. [2024-12-06 01:11:53,159 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 181 transitions. [2024-12-06 01:11:53,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:11:53,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:11:53,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:11:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:00,929 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:12:22,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:22,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 90 states and 192 transitions. [2024-12-06 01:12:22,247 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 192 transitions. [2024-12-06 01:12:22,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:12:22,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:22,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:12:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:22,931 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:12:39,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:39,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 97 states and 202 transitions. [2024-12-06 01:12:39,802 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 202 transitions. [2024-12-06 01:12:39,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:12:39,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:39,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:12:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:47,945 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 01:13:01,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:01,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 99 states and 207 transitions. [2024-12-06 01:13:01,073 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 207 transitions. [2024-12-06 01:13:01,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:13:01,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:01,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:09,735 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:13:19,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:19,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 100 states and 210 transitions. [2024-12-06 01:13:19,989 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 210 transitions. [2024-12-06 01:13:19,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:13:19,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:19,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:26,007 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:13:35,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:35,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 102 states and 212 transitions. [2024-12-06 01:13:35,638 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 212 transitions. [2024-12-06 01:13:35,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:13:35,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:35,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:48,229 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:14:07,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:14:07,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 105 states and 218 transitions. [2024-12-06 01:14:07,940 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 218 transitions. [2024-12-06 01:14:07,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 01:14:07,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:14:07,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:14:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:08,208 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 01:14:13,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:14:13,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 99 states and 208 transitions. [2024-12-06 01:14:13,577 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 208 transitions. [2024-12-06 01:14:13,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 01:14:13,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:14:13,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:14:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:29,377 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:15:15,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:15,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 108 states and 233 transitions. [2024-12-06 01:15:15,757 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 233 transitions. [2024-12-06 01:15:15,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 01:15:15,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:15,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:15:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 01:15:42,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:42,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 112 states and 251 transitions. [2024-12-06 01:15:42,483 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 251 transitions. [2024-12-06 01:15:42,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:15:42,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:42,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:15:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:48,260 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 01:16:43,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:16:43,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 126 states and 300 transitions. [2024-12-06 01:16:43,399 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 300 transitions. [2024-12-06 01:16:43,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:16:43,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:16:43,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:16:43,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:47,230 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 01:16:56,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:16:56,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 116 states and 276 transitions. [2024-12-06 01:16:56,393 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 276 transitions. [2024-12-06 01:16:56,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:16:56,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:16:56,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:16:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:02,246 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:17:45,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:45,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 123 states and 306 transitions. [2024-12-06 01:17:45,180 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 306 transitions. [2024-12-06 01:17:45,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:17:45,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:45,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:51,219 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 01:18:14,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:14,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 123 states and 304 transitions. [2024-12-06 01:18:14,819 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 304 transitions. [2024-12-06 01:18:14,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:18:14,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:14,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:17,548 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:18:35,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:35,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 110 states and 289 transitions. [2024-12-06 01:18:35,803 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 289 transitions. [2024-12-06 01:18:35,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 01:18:35,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:35,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:41,736 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 01:18:54,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:54,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 112 states and 298 transitions. [2024-12-06 01:18:54,854 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 298 transitions. [2024-12-06 01:18:54,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 01:18:54,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:54,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:54,908 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:18:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:55,264 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:18:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:55,455 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 55 iterations. [2024-12-06 01:18:55,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:18:55 ImpRootNode [2024-12-06 01:18:55,488 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:18:55,489 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:18:55,489 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:18:55,489 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:18:55,489 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:05:38" (3/4) ... [2024-12-06 01:18:55,490 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:18:55,529 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 37. [2024-12-06 01:18:55,583 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c314aca-59b0-4aa5-84bf-c72600250cf9/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:18:55,584 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c314aca-59b0-4aa5-84bf-c72600250cf9/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:18:55,584 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:18:55,584 INFO L158 Benchmark]: Toolchain (without parser) took 797683.66ms. Allocated memory was 117.4MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 91.9MB in the beginning and 821.7MB in the end (delta: -729.8MB). Peak memory consumption was 705.5MB. Max. memory is 16.1GB. [2024-12-06 01:18:55,585 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 72.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:55,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.11ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 66.8MB in the end (delta: 24.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:18:55,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.64ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 64.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:55,585 INFO L158 Benchmark]: Boogie Preprocessor took 25.86ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 62.9MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:18:55,586 INFO L158 Benchmark]: RCFGBuilder took 497.67ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 81.6MB in the end (delta: -18.6MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-12-06 01:18:55,586 INFO L158 Benchmark]: CodeCheck took 796655.03ms. Allocated memory was 117.4MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 81.6MB in the beginning and 831.4MB in the end (delta: -749.8MB). Peak memory consumption was 683.4MB. Max. memory is 16.1GB. [2024-12-06 01:18:55,586 INFO L158 Benchmark]: Witness Printer took 94.88ms. Allocated memory is still 1.6GB. Free memory was 831.4MB in the beginning and 821.7MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:18:55,588 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 796.6s, OverallIterations: 55, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7146 SdHoareTripleChecker+Valid, 176.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5403 mSDsluCounter, 672 SdHoareTripleChecker+Invalid, 163.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 184 mSDsCounter, 24746 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69301 IncrementalHoareTripleChecker+Invalid, 94047 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24746 mSolverCounterUnsat, 488 mSDtfsCounter, 69301 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16976 GetRequests, 14765 SyntacticMatches, 641 SemanticMatches, 1570 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1337795 ImplicationChecksByTransitivity, 758.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 184.8s InterpolantComputationTime, 1255 NumberOfCodeBlocks, 1255 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 1171 ConstructedInterpolants, 0 QuantifiedInterpolants, 34804 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 54 InterpolantComputations, 3 PerfectInterpolantSequences, 558/1266 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 803]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L769] mlist *head; [L804] int i; [L805] mlist *mylist = 0; [L806] mlist *temp; [L807] CALL insert_list(mylist,2) [L792] l = (mlist*)malloc(sizeof(mlist)) [L793] COND TRUE head==((void *)0) [L794] l->key = k [L795] l->next = ((void *)0) [L800] head = l [L801] return 0; [L807] RET insert_list(mylist,2) [L808] CALL insert_list(mylist,5) [L792] l = (mlist*)malloc(sizeof(mlist)) [L793] COND FALSE !(head==((void *)0)) [L797] l->key = k [L798] l->next = head [L800] head = l [L801] return 0; [L808] RET insert_list(mylist,5) [L809] CALL insert_list(mylist,1) [L792] l = (mlist*)malloc(sizeof(mlist)) [L793] COND FALSE !(head==((void *)0)) [L797] l->key = k [L798] l->next = head [L800] head = l [L801] return 0; [L809] RET insert_list(mylist,1) [L810] CALL insert_list(mylist,3) [L792] l = (mlist*)malloc(sizeof(mlist)) [L793] COND FALSE !(head==((void *)0)) [L797] l->key = k [L798] l->next = head [L800] head = l [L801] return 0; [L810] RET insert_list(mylist,3) [L811] mylist = head VAL [head={-1:0}, mylist={-1:0}] [L812] COND TRUE \read(*mylist) [L813] EXPR mylist->next [L813] mylist = mylist->next [L812] COND TRUE \read(*mylist) [L813] EXPR mylist->next [L813] mylist = mylist->next [L812] COND TRUE \read(*mylist) [L813] EXPR mylist->next [L813] mylist = mylist->next [L812] COND TRUE \read(*mylist) [L813] EXPR mylist->next [L813] mylist = mylist->next [L812] COND FALSE !(\read(*mylist)) [L815] CALL, EXPR search_list(mylist,2) [L771] l = head VAL [head={-1:0}, k=2, l={-1:0}] [L772] l!=((void *)0) && l->key!=k [L772] EXPR l->key [L772] l!=((void *)0) && l->key!=k VAL [head={-1:0}, k=2, l={-1:0}] [L772] COND TRUE l!=((void *)0) && l->key!=k [L773] EXPR l->next [L773] l = l->next [L772] l!=((void *)0) && l->key!=k [L772] EXPR l->key [L772] l!=((void *)0) && l->key!=k VAL [head={-1:0}, k=2, l={16651:0}] [L772] COND TRUE l!=((void *)0) && l->key!=k [L773] EXPR l->next [L773] l = l->next [L772] l!=((void *)0) && l->key!=k [L772] EXPR l->key [L772] l!=((void *)0) && l->key!=k VAL [head={-1:0}, k=2, l={16653:0}] [L772] COND TRUE l!=((void *)0) && l->key!=k [L773] EXPR l->next [L773] l = l->next [L772] l!=((void *)0) && l->key!=k [L772] EXPR l->key [L772] l!=((void *)0) && l->key!=k VAL [head={-1:0}, k=2, l={16652:0}] [L772] COND FALSE !(l!=((void *)0) && l->key!=k) [L775] return l; [L815] RET, EXPR search_list(mylist,2) [L815] temp = search_list(mylist,2) [L816] EXPR temp->key [L816] CALL __VERIFIER_assert(temp->key==2) [L14] COND FALSE !(!(cond)) VAL [head={-1:0}] [L816] RET __VERIFIER_assert(temp->key==2) [L817] CALL delete_list(temp) [L778] mlist *tmp; [L779] tmp = head VAL [head={-1:0}, l={16652:0}, tmp={-1:0}] [L780] COND TRUE head != l VAL [head={-1:0}, l={16652:0}, tmp={-1:0}] [L781] EXPR tmp->next VAL [head={-1:0}, l={16652:0}, tmp={-1:0}] [L781] COND TRUE tmp->next!=l [L782] EXPR tmp->next [L782] tmp = tmp->next [L781] EXPR tmp->next VAL [head={-1:0}, l={16652:0}, tmp={16651:0}] [L781] COND TRUE tmp->next!=l [L782] EXPR tmp->next [L782] tmp = tmp->next [L781] EXPR tmp->next VAL [head={-1:0}, l={16652:0}, tmp={16653:0}] [L781] COND FALSE !(tmp->next!=l) [L787] EXPR l->next [L787] tmp->next = l->next [L789] return 0; [L817] RET delete_list(temp) [L818] mylist = head VAL [head={-1:0}, mylist={-1:0}] [L819] COND TRUE \read(*mylist) [L820] EXPR mylist->next [L820] mylist = mylist->next [L819] COND TRUE \read(*mylist) [L820] EXPR mylist->next [L820] mylist = mylist->next [L819] COND TRUE \read(*mylist) [L820] EXPR mylist->next [L820] mylist = mylist->next [L819] COND FALSE !(\read(*mylist)) [L822] return 0; VAL [\result=0, head={-1:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 72.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.11ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 66.8MB in the end (delta: 24.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.64ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 64.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.86ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 62.9MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 497.67ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 81.6MB in the end (delta: -18.6MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * CodeCheck took 796655.03ms. Allocated memory was 117.4MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 81.6MB in the beginning and 831.4MB in the end (delta: -749.8MB). Peak memory consumption was 683.4MB. Max. memory is 16.1GB. * Witness Printer took 94.88ms. Allocated memory is still 1.6GB. Free memory was 831.4MB in the beginning and 821.7MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 01:18:55,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c314aca-59b0-4aa5-84bf-c72600250cf9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup)